One of the most extensive and well-preserved collections of dinosaur footprints in North America.

The graffiti-covered ruins of an abandoned trading post in the middle of Navajo Nation.

Dogs, cats, horses, monkeys, frogs, and fish are laid to rest at the second-oldest pet cemetery in the U.S.

The location of Puerto Rico's first water bottling plant, thanks to a collaboration between Mother Nature and technology.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

A haunted hot springs hotel that went from healing retreat to asylum before it was restored.

An abandoned relic of the city's failed experiment with below ground transit.

Hidden in plain sight on the Hudson River is an abandoned train station where nature has taken over.

A Beaux-Arts triumph set to become Ford's innovation campus

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.

A religious-themed park filled with folk art to bring biblical stories to life that fell into disrepair and now being restored.

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

The location of the last witch trials of Italy, known as "The Salem of Europe."

Staves, storm-calling, and of course, necropants.

Original cabaret handbills, posters, and feline artwork are a purrfect highlight of the Museum of Montmartre.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

The resting place of a Civil War celebrity's amputated limb.

The sweetest graveyard in the world is filled with headstones for dearly de-pinted ice cream flavors.

In Paradise Cemetery resides a mysterious headstone with a strange inscription.

This mountain tram provides stunning views while hanging from a single, steel thread.

Scale replica of China's ancient terracotta tomb warriors and Forbidden City are the side project of an eccentric millionaire.

A prison-like structure guards the remains of a notorious Old West outlaw.

A quirky collection of old chairs fills a random vacant lot in suburban Texas.